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Fronius is a well-established Austrian technology company known for its innovation and high-quality products. It operates in three core business sectors: Solar Energy, where they are a leading manufacturer of residential and commercial solar inverters; Perfect Welding, a division that develops advanced welding systems and solutions; and Perfect Charging, which specializes in intelligent battery charging technology for industrial and automotive applications. The company is committed to sustainable solutions and has a strong global presence, with its brand being synonymous with reliability and technological advancement in each of its markets.
The Fronius Backup Controller 3PN-35A is a control unit designed for full backup solutions in photovoltaic systems. It manages the automatic switching between grid and backup operation, ensuring a stable and seamless power supply during outages.
The controller is specifically designed for use with Fronius hybrid inverters, enabling reliable three-phase backup functionality for entire buildings. It ensures safe system operation and smooth transition to backup mode when required.
SE_DS_Fronius_Backup_Controller_Backup_Switch_EN.pdf